Principle and Prospect of Balanced Orifice Flow Meter

Abstract: The principle and prospect information of the balance orifice flow meter are provided by the excellent flow meter and flow meter production and quotation manufacturers. Balanced flowmeter is suitable for almost all fluid measurement, which is a revolution in fluid measurement technology. At present, balanced flowmeter has been widely used in petroleum, chemical, metallurgy, electric power, natural gas, water treatment and other industries. Balanced flowmeter is a new development in recent years. For more flowmeter manufacturers to select models and price quotations, you are welcome to inquire. The following is the details of the principle and prospect of the balanced orifice flowmeter. Balanced flowmeter is suitable for almost all fluid measurement, which is a revolution in fluid measurement technology. At present, balanced flowmeter has been widely used in petroleum, chemical, metallurgy, electric power, natural gas, water treatment and other industries. The balance flowmeter is a new type of flowmeter developed in recent years. On the basis of the standard orifice plate, the four-hole flow method is adopted, which greatly avoids the disadvantages of large pressure loss and long straight pipe sections in the field of standard orifice plate. Moreover, the measurement accuracy has been greatly improved compared with the standard orifice plate. The following will give you a detailed introduction to the advantages of industrial measurement of the balance flowmeter. When the standard orifice flowmeter is used on site, the pressure loss is large, and the front and rear straight pipe sections are required. High is the main reason that restricts its development, but the balance flowmeter has fundamentally achieved conversion due to its own structural problems, its pressure loss is about 1/4 of the standard orifice plate, and the straight pipe section requirements are only 3D before and after 1D It is usually around 1:3, and the field measurement range often exceeds this range. This also limits the application of standard orifice plates in many cases, while the normal ratio of the range of balanced orifice flowmeters is about 20:1. At times, the upper flow rate is unlimited, the minimum Reynolds number can be lower than 200, and the maximum Reynolds number is greater than 107;βThe value can be selected from 0.25 to 0.90. The on-site measurement of the balance flowmeter adopts a symmetrical porous structure, which can actually balance the fluid and reduce the eddy current and vibration. Compared with the on-site measurement of the orifice plate flowmeter, these advantages alone have improved a lot. At the same time, the measurement range is wide, which fundamentally solves the problem. It is an upgrade of the standard orifice plate, which eliminates the defects of the differential pressure flowmeter. The balance flowmeter has good long-term stability. Due to the obvious reduction of its turbulent shear force, the direct friction between the medium and the throttling member is greatly reduced.βThe value remains unchanged for a long time, and the whole instrument has no moving parts, so it can maintain stability for a long time. Secondly, it also has all the measurement advantages of the standard orifice plate, which is suitable for high temperature and high pressure measurement occasions, and is basically suitable for the measurement of all field media. The balance flowmeter is the third-generation throttling device. It is a new type of flowmeter designed and invented by the Marshall Aviation Flight Center (NASA-MSFC) of the National Aeronautics and Space Administration (NASA) for the measurement of liquid oxygen in the main engine of the space shuttle. For the balance flow meter. The measurement accuracy of this flowmeter is 5 to 10 times that of the traditional throttling device, the flow noise is reduced to 1/15, the maximum pressure loss is about 1/3, the pressure recovery is 2 times faster, the minimum straight pipe section can be less than 0.5D, no The movable parts are very convenient and simple to install and use, which can save large straight pipe sections and greatly reduce the energy consumption required for fluid operation. It is an energy-saving instrument with broad application prospects. With many advantages, the balance flowmeter will be more and more widely used in the future industry. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Principle and Prospect of Balanced Orifice Flow Meter'

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